How far is Portsmouth, NH, from Cairns?

The distance between Cairns (Cairns Airport) and Portsmouth (Portsmouth International Airport at Pease) is 9636 miles / 15507 kilometers / 8373 nautical miles.

Distance from Cairns to Portsmouth

There are several ways to calculate the distance from Cairns to Portsmouth. Here are two standard methods:

Vincenty's formula (applied above)

• 9635.906 miles
• 15507.487 kilometers
• 8373.373 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 9633.984 miles
• 15504.395 kilometers
• 8371.704 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Cairns to Portsmouth?

The estimated flight time from Cairns Airport to Portsmouth International Airport at Pease is 18 hours and 44 minutes.

What is the time difference between Cairns and Portsmouth?

The time difference between Cairns and Portsmouth is 15 hours. Portsmouth is 15 hours behind Cairns.

Flight carbon footprint between Cairns Airport (CNS) and Portsmouth International Airport at Pease (PSM)

On average, flying from Cairns to Portsmouth generates about 1 245 kg of CO2 per passenger, and 1 245 kilograms equals 2 744 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Cairns to Portsmouth

See the map of the shortest flight path between Cairns Airport (CNS) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin	Cairns Airport
City:	Cairns
Country:	Australia
IATA Code:	CNS
ICAO Code:	YBCS
Coordinates:	16°53′8″S, 145°45′18″E

Destination	Portsmouth International Airport at Pease
City:	Portsmouth, NH
Country:	United States
IATA Code:	PSM
ICAO Code:	KPSM
Coordinates:	43°4′40″N, 70°49′23″W